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Hardware
Nuts for aviation maintenance and overhaul sourcing. Search by manufacturer part number or NSN. Listings are PartsPerk-owned observations for review — not live inventory or airworthiness approval.
488 owned part identities in this path
Start with the manufacturer part number from the illustrated parts catalog or maintenance manual. If an NSN is listed, search that next. Confirm finish, dash number, and engine or airframe applicability before opening an RFQ.
No. Category pages show PartsPerk-owned observations for sourcing review. Stock, price, trace, and airworthiness stay off the page until a separate publication review.
Yes. Submit quantity, required documents, and need-by date through the sourcing desk. Volume review is human — these pages do not auto-discount.
PartsPerk catalog pages show PartsPerk-owned observations only. They are not live stock, not certification, and not OEM affiliation. Exact PN/NSN identity is for sourcing review; publication and sellability require separate approval.
488 PartsPerk-owned parts in Nuts
Military Standard MS21051-3 Steel Nut, Self-Locking, Plate - 25/Pack
Approvals and Conformities NSN 5310-00-774-9781 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN 9A991.d Color Family Black Manufacturer P/N MS21051-3 Schedule B Code 7318.16.0000 Pack Quantity 25 Series MS21051 Co
Military Standard MS21051L5 Steel Dry Filmed Nut, Self-Locking, Plate - 5/Pack
Approvals and Conformities NSN 5310-00-773-8648 Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN 9A991.d Color Family Black Manufacturer P/N MS21051L5 Schedule B Code 7318.16.0000 Pack Quantity 5 Series MS21051 Col
Military Standard MS21059-06 Steel Nut, Self-Locking, Plate - 5/Pack
Approvals and Conformities NSN 5310-00-777-5776 Product Attributes Country of Origin United States Size 6-32 Shipping Weight 0.005 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059-06 Schedule B Code 7318.16.0000 Pack Quantity 5 Ship Dim
Military Standard MS21059-08 Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-777-5779 Product Attributes Country of Origin United States Size 8-32 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059-08 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dim
Military Standard MS21059-3 Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-778-2655 Product Attributes Country of Origin United States Size 10-32 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059-3 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dim
Military Standard MS21059-4 Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-777-5769 Product Attributes Country of Origin United States Size 1/4-28 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059-4 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Di
Military Standard MS21059-6 Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-777-5778 Product Attributes Country of Origin United States Size 3/8-24 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059-6 Schedule B Code 7318.16.0000 Pack Quantity 1 Series
Military Standard MS21059L06 Dry Filmed Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-777-5785 Product Attributes Country of Origin United States Size 6-32 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L06 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dim
Military Standard MS21059L08 Dry Filmed Steel Nut, Self-Locking, Plate - 50/Pack
Approvals and Conformities NSN 5310-00-777-5787 Product Attributes Country of Origin United States Size 8-32 Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L08 Schedule B Code 7318.16.0000 Pack Quantity 50 Ship Dim
Military Standard MS21059L08K Dry Filmed Countersunk Steel Nut, Self-Locking, Plate - 10/Pack
Approvals and Conformities NSN 5310-00-777-5789 Product Attributes Country of Origin United States Size 8-32 Shipping Weight 0.01 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L08K Schedule B Code 7318.16.0000 Pack Quantity 10 Series
Military Standard MS21059L3 Dry Filmed Countersunk Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-779-6594 Product Attributes Country of Origin United States Size 10-32 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L3 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dim
Military Standard MS21059L3K Dry Filmed Countersunk Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-777-5792 Product Attributes Country of Origin United States Size 10-32 Shipping Weight 0.001 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L3K Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Di
Military Standard MS21059L4 Dry Filmed Countersunk Steel Nut, Self-Locking, Plate - 5/Pack
Approvals and Conformities NSN 5310-00-777-5793 Product Attributes Country of Origin United States Size 1/4-28 Shipping Weight 0.005 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L4 Schedule B Code 7318.16.0000 Pack Quantity 5 Series
Military Standard MS21059L4K Dry Filmed Countersunk Steel Nut, Self-Locking, Plate - 15/Pack
Approvals and Conformities NSN 5310-00-777-5794 Product Attributes Country of Origin United States Size 1/4-28 Shipping Weight 0.015 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L4K Schedule B Code 7318.16.0000 Pack Quantity 15 Serie
Military Standard MS21059L5 Dry Filmed Countersunk Steel Nut, Self-Locking, Plate - 10/Pack
Approvals and Conformities NSN 5310-00-777-5795 Product Attributes Country of Origin United States Size 5/16-24 Shipping Weight 0.01 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21059L5 Schedule B Code 7318.16.0000 Pack Quantity 10 Series
Military Standard MS21080-08 Steel Nut, Self-Locking, Plate
Approvals and Conformities NSN 5310-00-726-9056 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N MS21080-08 Schedule B Code 8803.30.0010 Pack Quantity 1 Military Standard MS21080-08 Nutplat
Military Standard MS21083B06 Copper Nut, Self-Locking Hexagon
Approvals and Conformities NSN 5310-00-941-3630 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083B06 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21083 Color
Military Standard MS21083C06 Crescent Steel Nut, Self-Locking Hexagon
Approvals and Conformities NSN 5310-00-925-9646 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C06 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21083 Threa
Military Standard MS21083C08 Crescent Steel Nut, Self-Locking Hexagon
Approvals and Conformities NSN 5310-00-982-6814 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C08 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21083 Color
Military Standard MS21083C3 Crescent Steel Nut, Self-Locking Hexagon - 10/Pack
Approvals and Conformities NSN 5310-00-926-1835 Product Attributes Country of Origin United States Shipping Weight 0.03 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C3 Schedule B Code 7318.16.0000 Pack Quantity 10 Ship Dimensions 0 x 0
Military Standard MS21083C4 Crescent Steel Nut, Self-Locking Hexagon
Approvals and Conformities NSN 5310-00-897-6145 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C4 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dimensions 1 x 1
Military Standard MS21083C5 Crescent Steel Nut, Self-Locking Hexagon
Approvals and Conformities NSN 5310-00-020-3260 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C5 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21083 Color
Military Standard MS21083C5 Crescent Steel Nut, Self-Locking Hexagon - 10/Pack
Approvals and Conformities NSN 5310-00-020-3260 Product Attributes Country of Origin United States Shipping Weight 0.03 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C5 Schedule B Code 7318.16.0000 Pack Quantity 10 Series MS21083 Color
Military Standard MS21083C6 Crescent Steel Nut, Self-Locking Hexagon - 5/Pack
Approvals and Conformities NSN 5310-00-956-4549 Product Attributes Country of Origin United States Shipping Weight 0.015 pounds ECCN EAR99 Color Family Gray Manufacturer P/N MS21083C6 Schedule B Code 7318.16.0000 Pack Quantity 5 Series MS21083 Thread